diff --git a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
index 1d00bfc..7b940da 100644
--- a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
+++ b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
@@ -18,8 +18,8 @@
 
 public class HomeRecycleAdapter extends RecyclerView.Adapter<HomeRecycleAdapter.ItemViewHolder> {
 
-    private Context context;
-    private List<HomePageBean.DataBean.MenusBean> menuData;
+    private final Context context;
+    private final List<HomePageBean.DataBean.MenusBean> menuData;
 
     public HomeRecycleAdapter(Context context, List<HomePageBean.DataBean.MenusBean> menus) {
         this.context = context;
@@ -64,8 +64,8 @@
 
     static class ItemViewHolder extends RecyclerView.ViewHolder {
 
-        private ImageView imageView;
-        private TextView textView;
+        private final ImageView imageView;
+        private final TextView textView;
 
         ItemViewHolder(@NonNull View itemView) {
             super(itemView);

diff --git a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
index 1d00bfc..7b940da 100644
--- a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
+++ b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
@@ -18,8 +18,8 @@
 
 public class HomeRecycleAdapter extends RecyclerView.Adapter<HomeRecycleAdapter.ItemViewHolder> {
 
-    private Context context;
-    private List<HomePageBean.DataBean.MenusBean> menuData;
+    private final Context context;
+    private final List<HomePageBean.DataBean.MenusBean> menuData;
 
     public HomeRecycleAdapter(Context context, List<HomePageBean.DataBean.MenusBean> menus) {
         this.context = context;
@@ -64,8 +64,8 @@
 
     static class ItemViewHolder extends RecyclerView.ViewHolder {
 
-        private ImageView imageView;
-        private TextView textView;
+        private final ImageView imageView;
+        private final TextView textView;
 
         ItemViewHolder(@NonNull View itemView) {
             super(itemView);
diff --git a/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java b/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
index d3c3f37..a73889b 100644
--- a/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
+++ b/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
@@ -60,7 +60,7 @@
 
     @Override
     protected void initData() {
-        String lastTime = (String) SaveKeyValues.getValue("lastTime", "");
+        String lastTime = (String) SaveKeyValues.getValue(StringHelper.getUserAccount(), "");
         String timeValue;
         if ("".equals(lastTime)) {
             timeValue = "上次登录时间：无法确定";
@@ -90,7 +90,7 @@
             UserBean.DataBean dataBean = userBean.getData();
             StringHelper.saveUserBean(new Gson().toJson(dataBean));
             //获取用户信息之后保存登录时间
-            SaveKeyValues.putValue("lastTime", TimeOrDateUtil.timestampToCompleteDate(System.currentTimeMillis()));
+            SaveKeyValues.putValue(dataBean.getAccount(), TimeOrDateUtil.timestampToCompleteDate(System.currentTimeMillis()));
 
             GregorianCalendar calendar = new GregorianCalendar();
             int x = calendar.get(GregorianCalendar.AM_PM);
@@ -113,7 +113,7 @@
     public void obtainHomePageResult(HomePageBean resultBean) {
         if (resultBean.getCode() == 200) {
             HomeRecycleAdapter adapter = new HomeRecycleAdapter(context, resultBean.getData().getMenus());
-            viewBinding.homeRecyclerView.setLayoutManager(new GridLayoutManager(context, 3));
+            viewBinding.homeRecyclerView.setLayoutManager(new GridLayoutManager(context, 2));
             viewBinding.homeRecyclerView.setAdapter(adapter);
             adapter.setOnGridItemClickListener(new HomeRecycleAdapter.OnGridItemClickListener() {
                 @Override

diff --git a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
index 1d00bfc..7b940da 100644
--- a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
+++ b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
@@ -18,8 +18,8 @@
 
 public class HomeRecycleAdapter extends RecyclerView.Adapter<HomeRecycleAdapter.ItemViewHolder> {
 
-    private Context context;
-    private List<HomePageBean.DataBean.MenusBean> menuData;
+    private final Context context;
+    private final List<HomePageBean.DataBean.MenusBean> menuData;
 
     public HomeRecycleAdapter(Context context, List<HomePageBean.DataBean.MenusBean> menus) {
         this.context = context;
@@ -64,8 +64,8 @@
 
     static class ItemViewHolder extends RecyclerView.ViewHolder {
 
-        private ImageView imageView;
-        private TextView textView;
+        private final ImageView imageView;
+        private final TextView textView;
 
         ItemViewHolder(@NonNull View itemView) {
             super(itemView);
diff --git a/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java b/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
index d3c3f37..a73889b 100644
--- a/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
+++ b/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
@@ -60,7 +60,7 @@
 
     @Override
     protected void initData() {
-        String lastTime = (String) SaveKeyValues.getValue("lastTime", "");
+        String lastTime = (String) SaveKeyValues.getValue(StringHelper.getUserAccount(), "");
         String timeValue;
         if ("".equals(lastTime)) {
             timeValue = "上次登录时间：无法确定";
@@ -90,7 +90,7 @@
             UserBean.DataBean dataBean = userBean.getData();
             StringHelper.saveUserBean(new Gson().toJson(dataBean));
             //获取用户信息之后保存登录时间
-            SaveKeyValues.putValue("lastTime", TimeOrDateUtil.timestampToCompleteDate(System.currentTimeMillis()));
+            SaveKeyValues.putValue(dataBean.getAccount(), TimeOrDateUtil.timestampToCompleteDate(System.currentTimeMillis()));
 
             GregorianCalendar calendar = new GregorianCalendar();
             int x = calendar.get(GregorianCalendar.AM_PM);
@@ -113,7 +113,7 @@
     public void obtainHomePageResult(HomePageBean resultBean) {
         if (resultBean.getCode() == 200) {
             HomeRecycleAdapter adapter = new HomeRecycleAdapter(context, resultBean.getData().getMenus());
-            viewBinding.homeRecyclerView.setLayoutManager(new GridLayoutManager(context, 3));
+            viewBinding.homeRecyclerView.setLayoutManager(new GridLayoutManager(context, 2));
             viewBinding.homeRecyclerView.setAdapter(adapter);
             adapter.setOnGridItemClickListener(new HomeRecycleAdapter.OnGridItemClickListener() {
                 @Override
diff --git a/app/src/main/res/layout/item_home_recycleview.xml b/app/src/main/res/layout/item_home_recycleview.xml
index 6ed0c82..36d94ec 100644
--- a/app/src/main/res/layout/item_home_recycleview.xml
+++ b/app/src/main/res/layout/item_home_recycleview.xml
@@ -1,22 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_gravity="center"
-    android:gravity="center"
-    android:orientation="vertical"
-    android:paddingVertical="8dp">
+    android:elevation="10dp"
+    app:cardCornerRadius="5dp"
+    app:cardUseCompatPadding="true">
 
-    <ImageView
-        android:id="@+id/imageView"
-        android:layout_width="wrap_content"
+    <LinearLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="5dp" />
+        android:layout_gravity="center"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="@dimen/padding_10dp">
 
-    <TextView
-        android:id="@+id/textView"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textColor="@color/textColor"
-        android:textSize="@dimen/textFontSize" />
-</LinearLayout>
\ No newline at end of file
+        <ImageView
+            android:id="@+id/imageView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="5dp" />
+
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/app_name"
+            android:textColor="@color/textColor"
+            android:textSize="@dimen/titleFontSize" />
+    </LinearLayout>
+</androidx.cardview.widget.CardView>
\ No newline at end of file

diff --git a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
index 1d00bfc..7b940da 100644
--- a/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
+++ b/app/src/main/java/com/casic/dcms/adapter/HomeRecycleAdapter.java
@@ -18,8 +18,8 @@
 
 public class HomeRecycleAdapter extends RecyclerView.Adapter<HomeRecycleAdapter.ItemViewHolder> {
 
-    private Context context;
-    private List<HomePageBean.DataBean.MenusBean> menuData;
+    private final Context context;
+    private final List<HomePageBean.DataBean.MenusBean> menuData;
 
     public HomeRecycleAdapter(Context context, List<HomePageBean.DataBean.MenusBean> menus) {
         this.context = context;
@@ -64,8 +64,8 @@
 
     static class ItemViewHolder extends RecyclerView.ViewHolder {
 
-        private ImageView imageView;
-        private TextView textView;
+        private final ImageView imageView;
+        private final TextView textView;
 
         ItemViewHolder(@NonNull View itemView) {
             super(itemView);
diff --git a/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java b/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
index d3c3f37..a73889b 100644
--- a/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
+++ b/app/src/main/java/com/casic/dcms/ui/fragment/HomePageFragment.java
@@ -60,7 +60,7 @@
 
     @Override
     protected void initData() {
-        String lastTime = (String) SaveKeyValues.getValue("lastTime", "");
+        String lastTime = (String) SaveKeyValues.getValue(StringHelper.getUserAccount(), "");
         String timeValue;
         if ("".equals(lastTime)) {
             timeValue = "上次登录时间：无法确定";
@@ -90,7 +90,7 @@
             UserBean.DataBean dataBean = userBean.getData();
             StringHelper.saveUserBean(new Gson().toJson(dataBean));
             //获取用户信息之后保存登录时间
-            SaveKeyValues.putValue("lastTime", TimeOrDateUtil.timestampToCompleteDate(System.currentTimeMillis()));
+            SaveKeyValues.putValue(dataBean.getAccount(), TimeOrDateUtil.timestampToCompleteDate(System.currentTimeMillis()));
 
             GregorianCalendar calendar = new GregorianCalendar();
             int x = calendar.get(GregorianCalendar.AM_PM);
@@ -113,7 +113,7 @@
     public void obtainHomePageResult(HomePageBean resultBean) {
         if (resultBean.getCode() == 200) {
             HomeRecycleAdapter adapter = new HomeRecycleAdapter(context, resultBean.getData().getMenus());
-            viewBinding.homeRecyclerView.setLayoutManager(new GridLayoutManager(context, 3));
+            viewBinding.homeRecyclerView.setLayoutManager(new GridLayoutManager(context, 2));
             viewBinding.homeRecyclerView.setAdapter(adapter);
             adapter.setOnGridItemClickListener(new HomeRecycleAdapter.OnGridItemClickListener() {
                 @Override
diff --git a/app/src/main/res/layout/item_home_recycleview.xml b/app/src/main/res/layout/item_home_recycleview.xml
index 6ed0c82..36d94ec 100644
--- a/app/src/main/res/layout/item_home_recycleview.xml
+++ b/app/src/main/res/layout/item_home_recycleview.xml
@@ -1,22 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_gravity="center"
-    android:gravity="center"
-    android:orientation="vertical"
-    android:paddingVertical="8dp">
+    android:elevation="10dp"
+    app:cardCornerRadius="5dp"
+    app:cardUseCompatPadding="true">
 
-    <ImageView
-        android:id="@+id/imageView"
-        android:layout_width="wrap_content"
+    <LinearLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="5dp" />
+        android:layout_gravity="center"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="@dimen/padding_10dp">
 
-    <TextView
-        android:id="@+id/textView"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textColor="@color/textColor"
-        android:textSize="@dimen/textFontSize" />
-</LinearLayout>
\ No newline at end of file
+        <ImageView
+            android:id="@+id/imageView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="5dp" />
+
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/app_name"
+            android:textColor="@color/textColor"
+            android:textSize="@dimen/titleFontSize" />
+    </LinearLayout>
+</androidx.cardview.widget.CardView>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 686e283..d45a060 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -15,7 +15,7 @@
     <color name="red">#FF0000</color><!--0,0,0-->
 
     <color name="mainThemeColor">#278DF9</color>
-    <color name="textColor">#575757</color><!--102,102,102-->
+    <color name="textColor">#333333</color><!--51,51,51-->
     <color name="onLineColor">#24CE9E</color>
 
     <color name="listMainColor">#06134C</color><!--列表强调色-->